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construct/modules/m_room_create.cc
2019-07-20 18:42:15 -07:00

160 lines
3.3 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
namespace ircd::m
{
static void auth_room_create(const event &, event::auth::hookdata &);
extern hookfn<event::auth::hookdata &> auth_room_create_hookfn;
static void created_room(const event &, vm::eval &);
extern hookfn<vm::eval &> created_room_hookfn;
}
ircd::mapi::header
IRCD_MODULE
{
"Matrix m.room.create"
};
//
// an effect of room created
//
decltype(ircd::m::created_room_hookfn)
ircd::m::created_room_hookfn
{
created_room,
{
{ "_site", "vm.effect" },
{ "type", "m.room.create" },
}
};
void
ircd::m::created_room(const m::event &event,
m::vm::eval &)
{
const m::room::id &room_id
{
at<"room_id"_>(event)
};
const string_view &local
{
room_id.localname()
};
if(local != "users") //TODO: circ dep
send(m::my_room, at<"sender"_>(event), "ircd.room", room_id, json::object{});
log::debug
{
m::log, "Creation of room %s by %s (%s)",
string_view{room_id},
at<"sender"_>(event),
string_view{event.event_id},
};
}
//
// auth handler
//
decltype(ircd::m::auth_room_create_hookfn)
ircd::m::auth_room_create_hookfn
{
auth_room_create,
{
{ "_site", "event.auth" },
{ "type", "m.room.create" },
}
};
void
ircd::m::auth_room_create(const event &event,
event::auth::hookdata &data)
{
using FAIL = m::event::auth::FAIL;
using conforms = m::event::conforms;
// 1. If type is m.room.create:
assert(json::get<"type"_>(event) == "m.room.create");
// a. If it has any previous events, reject.
if(count(data.prev) || !empty(data.auth_events))
throw FAIL
{
"m.room.create has previous events."
};
// b. If the domain of the room_id does not match the domain of the
// sender, reject.
if(conforms(event).has(conforms::MISMATCH_CREATE_SENDER))
throw FAIL
{
"m.room.create room_id domain does not match sender domain."
};
// c. If content.room_version is present and is not a recognised
// version, reject.
if(json::get<"content"_>(event).has("room_version"))
{
const json::string &claim_version
{
json::get<"content"_>(event).get("room_version", "1")
};
const string_view &id_version
{
event.event_id.version()
};
if(claim_version == "3")
{
if(id_version != "3")
throw FAIL
{
"m.room.create room_version not 3"
};
}
else if(claim_version == "4")
{
if(id_version != "4")
throw FAIL
{
"m.room.create room_version not 4"
};
}
else if(claim_version == "1" || claim_version == "2")
{
//if(id_version != "1")
// return "m.room.create room_version not 1";
}
else if(claim_version != "1" && claim_version != "2")
{
if(id_version != "4")
throw FAIL
{
"m.room.create room_version not 4"
};
}
else assert(0);
}
// d. If content has no creator field, reject.
if(empty(json::get<"content"_>(event).get("creator")))
throw FAIL
{
"m.room.create content.creator is missing."
};
// e. Otherwise, allow.
data.allow = true;
}